Home / 109,637.16-151,273.62-64,312.80

Finding the Fourth Proportional to 109,637.16, 151,273.62 and 64,312.80

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Solution

The fourth proportional to 109,637.16, 151,273.62 and 64,312.80 is: 88,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,637.16 : 151,273.62 = 64,312.80 : x
  2. Step 2: Convert to fraction form
    109,637.16/151,273.62 = 64,312.80/x
  3. Step 3: Cross multiply
    109,637.16x = 151,273.62 × 64,312.80
  4. Step 4: Simplify right side
    109,637.16x = 9,728,830,068.34
  5. Step 5: Solve for x
    x = 9,728,830,068.34/109,637.16
  6. Step 6: Final answer
    x = 88,736.61

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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.