Home / 215,307.32-297,270.42-134,767.40

Finding the Fourth Proportional to 215,307.32, 297,270.42 and 134,767.40

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Solution

The fourth proportional to 215,307.32, 297,270.42 and 134,767.40 is: 186,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,307.32 : 297,270.42 = 134,767.40 : x
  2. Step 2: Convert to fraction form
    215,307.32/297,270.42 = 134,767.40/x
  3. Step 3: Cross multiply
    215,307.32x = 297,270.42 × 134,767.40
  4. Step 4: Simplify right side
    215,307.32x = 40,062,361,600.31
  5. Step 5: Solve for x
    x = 40,062,361,600.31/215,307.32
  6. Step 6: Final answer
    x = 186,070.60

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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.