Home / 181,090.06-249,877.65-100,518.19

Finding the Fourth Proportional to 181,090.06, 249,877.65 and 100,518.19

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Solution

The fourth proportional to 181,090.06, 249,877.65 and 100,518.19 is: 138,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,090.06 : 249,877.65 = 100,518.19 : x
  2. Step 2: Convert to fraction form
    181,090.06/249,877.65 = 100,518.19/x
  3. Step 3: Cross multiply
    181,090.06x = 249,877.65 × 100,518.19
  4. Step 4: Simplify right side
    181,090.06x = 25,117,249,099.45
  5. Step 5: Solve for x
    x = 25,117,249,099.45/181,090.06
  6. Step 6: Final answer
    x = 138,700.32

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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.