Home / 112,376.65-155,084.48-64,630.03

Finding the Fourth Proportional to 112,376.65, 155,084.48 and 64,630.03

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Solution

The fourth proportional to 112,376.65, 155,084.48 and 64,630.03 is: 89,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.65 : 155,084.48 = 64,630.03 : x
  2. Step 2: Convert to fraction form
    112,376.65/155,084.48 = 64,630.03/x
  3. Step 3: Cross multiply
    112,376.65x = 155,084.48 × 64,630.03
  4. Step 4: Simplify right side
    112,376.65x = 10,023,114,594.93
  5. Step 5: Solve for x
    x = 10,023,114,594.93/112,376.65
  6. Step 6: Final answer
    x = 89,192.15

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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.