Home / 102,117.03-140,920.70-56,175.68

Finding the Fourth Proportional to 102,117.03, 140,920.70 and 56,175.68

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Solution

The fourth proportional to 102,117.03, 140,920.70 and 56,175.68 is: 77,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,117.03 : 140,920.70 = 56,175.68 : x
  2. Step 2: Convert to fraction form
    102,117.03/140,920.70 = 56,175.68/x
  3. Step 3: Cross multiply
    102,117.03x = 140,920.70 × 56,175.68
  4. Step 4: Simplify right side
    102,117.03x = 7,916,316,148.58
  5. Step 5: Solve for x
    x = 7,916,316,148.58/102,117.03
  6. Step 6: Final answer
    x = 77,522.00

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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.