Home / 142,725.40-214,088.10-101,253.40

Finding the Fourth Proportional to 142,725.40, 214,088.10 and 101,253.40

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Solution

The fourth proportional to 142,725.40, 214,088.10 and 101,253.40 is: 151,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,725.40 : 214,088.10 = 101,253.40 : x
  2. Step 2: Convert to fraction form
    142,725.40/214,088.10 = 101,253.40/x
  3. Step 3: Cross multiply
    142,725.40x = 214,088.10 × 101,253.40
  4. Step 4: Simplify right side
    142,725.40x = 21,677,148,024.54
  5. Step 5: Solve for x
    x = 21,677,148,024.54/142,725.40
  6. Step 6: Final answer
    x = 151,880.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.