Home / 109,685.49-151,366.98-64,364.23

Finding the Fourth Proportional to 109,685.49, 151,366.98 and 64,364.23

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Solution

The fourth proportional to 109,685.49, 151,366.98 and 64,364.23 is: 88,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.49 : 151,366.98 = 64,364.23 : x
  2. Step 2: Convert to fraction form
    109,685.49/151,366.98 = 64,364.23/x
  3. Step 3: Cross multiply
    109,685.49x = 151,366.98 × 64,364.23
  4. Step 4: Simplify right side
    109,685.49x = 9,742,619,115.13
  5. Step 5: Solve for x
    x = 9,742,619,115.13/109,685.49
  6. Step 6: Final answer
    x = 88,823.23

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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.