Home / 157,007.90-216,726.54-93,345.38

Finding the Fourth Proportional to 157,007.90, 216,726.54 and 93,345.38

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Solution

The fourth proportional to 157,007.90, 216,726.54 and 93,345.38 is: 128,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,007.90 : 216,726.54 = 93,345.38 : x
  2. Step 2: Convert to fraction form
    157,007.90/216,726.54 = 93,345.38/x
  3. Step 3: Cross multiply
    157,007.90x = 216,726.54 × 93,345.38
  4. Step 4: Simplify right side
    157,007.90x = 20,230,421,232.39
  5. Step 5: Solve for x
    x = 20,230,421,232.39/157,007.90
  6. Step 6: Final answer
    x = 128,849.70

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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.