Home / 212,127.50-292,737.05-116,640.35

Finding the Fourth Proportional to 212,127.50, 292,737.05 and 116,640.35

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Solution

The fourth proportional to 212,127.50, 292,737.05 and 116,640.35 is: 160,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,127.50 : 292,737.05 = 116,640.35 : x
  2. Step 2: Convert to fraction form
    212,127.50/292,737.05 = 116,640.35/x
  3. Step 3: Cross multiply
    212,127.50x = 292,737.05 × 116,640.35
  4. Step 4: Simplify right side
    212,127.50x = 34,144,949,923.08
  5. Step 5: Solve for x
    x = 34,144,949,923.08/212,127.50
  6. Step 6: Final answer
    x = 160,964.28

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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.