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Finding the Fourth Proportional to 181,075.94, 249,873.06 and 100,503.49

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Solution

The fourth proportional to 181,075.94, 249,873.06 and 100,503.49 is: 138,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,075.94 : 249,873.06 = 100,503.49 : x
  2. Step 2: Convert to fraction form
    181,075.94/249,873.06 = 100,503.49/x
  3. Step 3: Cross multiply
    181,075.94x = 249,873.06 × 100,503.49
  4. Step 4: Simplify right side
    181,075.94x = 25,113,113,962.30
  5. Step 5: Solve for x
    x = 25,113,113,962.30/181,075.94
  6. Step 6: Final answer
    x = 138,688.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.