Home / 150,557.95-207,248.37-130,130.65

Finding the Fourth Proportional to 150,557.95, 207,248.37 and 130,130.65

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Solution

The fourth proportional to 150,557.95, 207,248.37 and 130,130.65 is: 179,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,557.95 : 207,248.37 = 130,130.65 : x
  2. Step 2: Convert to fraction form
    150,557.95/207,248.37 = 130,130.65/x
  3. Step 3: Cross multiply
    150,557.95x = 207,248.37 × 130,130.65
  4. Step 4: Simplify right side
    150,557.95x = 26,969,365,099.54
  5. Step 5: Solve for x
    x = 26,969,365,099.54/150,557.95
  6. Step 6: Final answer
    x = 179,129.47

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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.