Home / 109,946.30-151,729.60-64,623.62

Finding the Fourth Proportional to 109,946.30, 151,729.60 and 64,623.62

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Solution

The fourth proportional to 109,946.30, 151,729.60 and 64,623.62 is: 89,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,946.30 : 151,729.60 = 64,623.62 : x
  2. Step 2: Convert to fraction form
    109,946.30/151,729.60 = 64,623.62/x
  3. Step 3: Cross multiply
    109,946.30x = 151,729.60 × 64,623.62
  4. Step 4: Simplify right side
    109,946.30x = 9,805,316,013.15
  5. Step 5: Solve for x
    x = 9,805,316,013.15/109,946.30
  6. Step 6: Final answer
    x = 89,182.77

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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.