Home / 97,288.83-144,966.06-86,677.31

Finding the Fourth Proportional to 97,288.83, 144,966.06 and 86,677.31

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Solution

The fourth proportional to 97,288.83, 144,966.06 and 86,677.31 is: 129,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,288.83 : 144,966.06 = 86,677.31 : x
  2. Step 2: Convert to fraction form
    97,288.83/144,966.06 = 86,677.31/x
  3. Step 3: Cross multiply
    97,288.83x = 144,966.06 × 86,677.31
  4. Step 4: Simplify right side
    97,288.83x = 12,565,268,484.51
  5. Step 5: Solve for x
    x = 12,565,268,484.51/97,288.83
  6. Step 6: Final answer
    x = 129,154.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.