Home / 150,139.74-207,267.85-86,465.24

Finding the Fourth Proportional to 150,139.74, 207,267.85 and 86,465.24

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Solution

The fourth proportional to 150,139.74, 207,267.85 and 86,465.24 is: 119,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,139.74 : 207,267.85 = 86,465.24 : x
  2. Step 2: Convert to fraction form
    150,139.74/207,267.85 = 86,465.24/x
  3. Step 3: Cross multiply
    150,139.74x = 207,267.85 × 86,465.24
  4. Step 4: Simplify right side
    150,139.74x = 17,921,464,394.53
  5. Step 5: Solve for x
    x = 17,921,464,394.53/150,139.74
  6. Step 6: Final answer
    x = 119,365.23

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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.