Home / 131,207.96-181,061.76-77,510.22

Finding the Fourth Proportional to 131,207.96, 181,061.76 and 77,510.22

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Solution

The fourth proportional to 131,207.96, 181,061.76 and 77,510.22 is: 106,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,207.96 : 181,061.76 = 77,510.22 : x
  2. Step 2: Convert to fraction form
    131,207.96/181,061.76 = 77,510.22/x
  3. Step 3: Cross multiply
    131,207.96x = 181,061.76 × 77,510.22
  4. Step 4: Simplify right side
    131,207.96x = 14,034,136,851.19
  5. Step 5: Solve for x
    x = 14,034,136,851.19/131,207.96
  6. Step 6: Final answer
    x = 106,961.02

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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.