Home / 102,646.10-153,969.15-47,350.10

Finding the Fourth Proportional to 102,646.10, 153,969.15 and 47,350.10

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Solution

The fourth proportional to 102,646.10, 153,969.15 and 47,350.10 is: 71,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,646.10 : 153,969.15 = 47,350.10 : x
  2. Step 2: Convert to fraction form
    102,646.10/153,969.15 = 47,350.10/x
  3. Step 3: Cross multiply
    102,646.10x = 153,969.15 × 47,350.10
  4. Step 4: Simplify right side
    102,646.10x = 7,290,454,649.42
  5. Step 5: Solve for x
    x = 7,290,454,649.42/102,646.10
  6. Step 6: Final answer
    x = 71,025.15

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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.