Home / 181,009.20-249,792.72-105,572.16

Finding the Fourth Proportional to 181,009.20, 249,792.72 and 105,572.16

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Solution

The fourth proportional to 181,009.20, 249,792.72 and 105,572.16 is: 145,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,009.20 : 249,792.72 = 105,572.16 : x
  2. Step 2: Convert to fraction form
    181,009.20/249,792.72 = 105,572.16/x
  3. Step 3: Cross multiply
    181,009.20x = 249,792.72 × 105,572.16
  4. Step 4: Simplify right side
    181,009.20x = 26,371,157,002.68
  5. Step 5: Solve for x
    x = 26,371,157,002.68/181,009.20
  6. Step 6: Final answer
    x = 145,689.59

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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.