Home / 102,307.43-153,436.84-39,104.35

Finding the Fourth Proportional to 102,307.43, 153,436.84 and 39,104.35

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Solution

The fourth proportional to 102,307.43, 153,436.84 and 39,104.35 is: 58,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,307.43 : 153,436.84 = 39,104.35 : x
  2. Step 2: Convert to fraction form
    102,307.43/153,436.84 = 39,104.35/x
  3. Step 3: Cross multiply
    102,307.43x = 153,436.84 × 39,104.35
  4. Step 4: Simplify right side
    102,307.43x = 6,000,047,894.25
  5. Step 5: Solve for x
    x = 6,000,047,894.25/102,307.43
  6. Step 6: Final answer
    x = 58,647.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.