Home / 158,521.70-237,782.55-83,612.90

Finding the Fourth Proportional to 158,521.70, 237,782.55 and 83,612.90

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Solution

The fourth proportional to 158,521.70, 237,782.55 and 83,612.90 is: 125,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,521.70 : 237,782.55 = 83,612.90 : x
  2. Step 2: Convert to fraction form
    158,521.70/237,782.55 = 83,612.90/x
  3. Step 3: Cross multiply
    158,521.70x = 237,782.55 × 83,612.90
  4. Step 4: Simplify right side
    158,521.70x = 19,881,688,574.90
  5. Step 5: Solve for x
    x = 19,881,688,574.90/158,521.70
  6. Step 6: Final answer
    x = 125,419.35

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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.