Home / 107,320.97-148,118.34-64,302.16

Finding the Fourth Proportional to 107,320.97, 148,118.34 and 64,302.16

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Solution

The fourth proportional to 107,320.97, 148,118.34 and 64,302.16 is: 88,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,320.97 : 148,118.34 = 64,302.16 : x
  2. Step 2: Convert to fraction form
    107,320.97/148,118.34 = 64,302.16/x
  3. Step 3: Cross multiply
    107,320.97x = 148,118.34 × 64,302.16
  4. Step 4: Simplify right side
    107,320.97x = 9,524,329,197.61
  5. Step 5: Solve for x
    x = 9,524,329,197.61/107,320.97
  6. Step 6: Final answer
    x = 88,746.21

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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.