Home / 90,872.64-136,307.75-23,404.32

Finding the Fourth Proportional to 90,872.64, 136,307.75 and 23,404.32

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Solution

The fourth proportional to 90,872.64, 136,307.75 and 23,404.32 is: 35,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,872.64 : 136,307.75 = 23,404.32 : x
  2. Step 2: Convert to fraction form
    90,872.64/136,307.75 = 23,404.32/x
  3. Step 3: Cross multiply
    90,872.64x = 136,307.75 × 23,404.32
  4. Step 4: Simplify right side
    90,872.64x = 3,190,190,082.46
  5. Step 5: Solve for x
    x = 3,190,190,082.46/90,872.64
  6. Step 6: Final answer
    x = 35,106.17

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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.