Home / 131,793.04-181,870.50-74,434.71

Finding the Fourth Proportional to 131,793.04, 181,870.50 and 74,434.71

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Solution

The fourth proportional to 131,793.04, 181,870.50 and 74,434.71 is: 102,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.04 : 181,870.50 = 74,434.71 : x
  2. Step 2: Convert to fraction form
    131,793.04/181,870.50 = 74,434.71/x
  3. Step 3: Cross multiply
    131,793.04x = 181,870.50 × 74,434.71
  4. Step 4: Simplify right side
    131,793.04x = 13,537,478,204.19
  5. Step 5: Solve for x
    x = 13,537,478,204.19/131,793.04
  6. Step 6: Final answer
    x = 102,717.70

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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.