Home / 109,681.29-151,362.95-67,263.21

Finding the Fourth Proportional to 109,681.29, 151,362.95 and 67,263.21

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Solution

The fourth proportional to 109,681.29, 151,362.95 and 67,263.21 is: 92,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.29 : 151,362.95 = 67,263.21 : x
  2. Step 2: Convert to fraction form
    109,681.29/151,362.95 = 67,263.21/x
  3. Step 3: Cross multiply
    109,681.29x = 151,362.95 × 67,263.21
  4. Step 4: Simplify right side
    109,681.29x = 10,181,157,555.75
  5. Step 5: Solve for x
    x = 10,181,157,555.75/109,681.29
  6. Step 6: Final answer
    x = 92,824.93

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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.