Home / 181,055.23-249,860.32-100,487.94

Finding the Fourth Proportional to 181,055.23, 249,860.32 and 100,487.94

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Solution

The fourth proportional to 181,055.23, 249,860.32 and 100,487.94 is: 138,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,055.23 : 249,860.32 = 100,487.94 : x
  2. Step 2: Convert to fraction form
    181,055.23/249,860.32 = 100,487.94/x
  3. Step 3: Cross multiply
    181,055.23x = 249,860.32 × 100,487.94
  4. Step 4: Simplify right side
    181,055.23x = 25,107,949,061.81
  5. Step 5: Solve for x
    x = 25,107,949,061.81/181,055.23
  6. Step 6: Final answer
    x = 138,675.64

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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.