Home / 103,312.90-154,909.14-40,059.13

Finding the Fourth Proportional to 103,312.90, 154,909.14 and 40,059.13

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Solution

The fourth proportional to 103,312.90, 154,909.14 and 40,059.13 is: 60,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,312.90 : 154,909.14 = 40,059.13 : x
  2. Step 2: Convert to fraction form
    103,312.90/154,909.14 = 40,059.13/x
  3. Step 3: Cross multiply
    103,312.90x = 154,909.14 × 40,059.13
  4. Step 4: Simplify right side
    103,312.90x = 6,205,525,377.45
  5. Step 5: Solve for x
    x = 6,205,525,377.45/103,312.90
  6. Step 6: Final answer
    x = 60,065.35

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1.5x scale

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.