Home / 152,520.32-210,472.64-84,543.60

Finding the Fourth Proportional to 152,520.32, 210,472.64 and 84,543.60

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Solution

The fourth proportional to 152,520.32, 210,472.64 and 84,543.60 is: 116,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,520.32 : 210,472.64 = 84,543.60 : x
  2. Step 2: Convert to fraction form
    152,520.32/210,472.64 = 84,543.60/x
  3. Step 3: Cross multiply
    152,520.32x = 210,472.64 × 84,543.60
  4. Step 4: Simplify right side
    152,520.32x = 17,794,114,687.10
  5. Step 5: Solve for x
    x = 17,794,114,687.10/152,520.32
  6. Step 6: Final answer
    x = 116,667.17

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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.