Home / 162,335.79-224,019.09-90,716.40

Finding the Fourth Proportional to 162,335.79, 224,019.09 and 90,716.40

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Solution

The fourth proportional to 162,335.79, 224,019.09 and 90,716.40 is: 125,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,335.79 : 224,019.09 = 90,716.40 : x
  2. Step 2: Convert to fraction form
    162,335.79/224,019.09 = 90,716.40/x
  3. Step 3: Cross multiply
    162,335.79x = 224,019.09 × 90,716.40
  4. Step 4: Simplify right side
    162,335.79x = 20,322,205,376.08
  5. Step 5: Solve for x
    x = 20,322,205,376.08/162,335.79
  6. Step 6: Final answer
    x = 125,186.23

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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.