Home / 146,348.16-201,961.08-79,280.16

Finding the Fourth Proportional to 146,348.16, 201,961.08 and 79,280.16

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Solution

The fourth proportional to 146,348.16, 201,961.08 and 79,280.16 is: 109,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,348.16 : 201,961.08 = 79,280.16 : x
  2. Step 2: Convert to fraction form
    146,348.16/201,961.08 = 79,280.16/x
  3. Step 3: Cross multiply
    146,348.16x = 201,961.08 × 79,280.16
  4. Step 4: Simplify right side
    146,348.16x = 16,011,506,736.17
  5. Step 5: Solve for x
    x = 16,011,506,736.17/146,348.16
  6. Step 6: Final answer
    x = 109,406.96

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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.