Home / 131,387.07-181,314.16-70,957.73

Finding the Fourth Proportional to 131,387.07, 181,314.16 and 70,957.73

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Solution

The fourth proportional to 131,387.07, 181,314.16 and 70,957.73 is: 97,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,387.07 : 181,314.16 = 70,957.73 : x
  2. Step 2: Convert to fraction form
    131,387.07/181,314.16 = 70,957.73/x
  3. Step 3: Cross multiply
    131,387.07x = 181,314.16 × 70,957.73
  4. Step 4: Simplify right side
    131,387.07x = 12,865,641,210.46
  5. Step 5: Solve for x
    x = 12,865,641,210.46/131,387.07
  6. Step 6: Final answer
    x = 97,921.67

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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.