Home / 109,428.48-151,011.12-59,127.36

Finding the Fourth Proportional to 109,428.48, 151,011.12 and 59,127.36

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Solution

The fourth proportional to 109,428.48, 151,011.12 and 59,127.36 is: 81,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,428.48 : 151,011.12 = 59,127.36 : x
  2. Step 2: Convert to fraction form
    109,428.48/151,011.12 = 59,127.36/x
  3. Step 3: Cross multiply
    109,428.48x = 151,011.12 × 59,127.36
  4. Step 4: Simplify right side
    109,428.48x = 8,928,888,856.24
  5. Step 5: Solve for x
    x = 8,928,888,856.24/109,428.48
  6. Step 6: Final answer
    x = 81,595.66

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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.