Home / 131,864.04-181,985.40-75,283.92

Finding the Fourth Proportional to 131,864.04, 181,985.40 and 75,283.92

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Solution

The fourth proportional to 131,864.04, 181,985.40 and 75,283.92 is: 103,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,864.04 : 181,985.40 = 75,283.92 : x
  2. Step 2: Convert to fraction form
    131,864.04/181,985.40 = 75,283.92/x
  3. Step 3: Cross multiply
    131,864.04x = 181,985.40 × 75,283.92
  4. Step 4: Simplify right side
    131,864.04x = 13,700,574,294.77
  5. Step 5: Solve for x
    x = 13,700,574,294.77/131,864.04
  6. Step 6: Final answer
    x = 103,899.25

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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.