Home / 150,557.70-207,248.03-130,130.40

Finding the Fourth Proportional to 150,557.70, 207,248.03 and 130,130.40

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Solution

The fourth proportional to 150,557.70, 207,248.03 and 130,130.40 is: 179,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,557.70 : 207,248.03 = 130,130.40 : x
  2. Step 2: Convert to fraction form
    150,557.70/207,248.03 = 130,130.40/x
  3. Step 3: Cross multiply
    150,557.70x = 207,248.03 × 130,130.40
  4. Step 4: Simplify right side
    150,557.70x = 26,969,268,392.46
  5. Step 5: Solve for x
    x = 26,969,268,392.46/150,557.70
  6. Step 6: Final answer
    x = 179,129.12

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1.5x scale

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.