Home / 134,444.60-201,666.90-87,205.40

Finding the Fourth Proportional to 134,444.60, 201,666.90 and 87,205.40

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Solution

The fourth proportional to 134,444.60, 201,666.90 and 87,205.40 is: 130,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,444.60 : 201,666.90 = 87,205.40 : x
  2. Step 2: Convert to fraction form
    134,444.60/201,666.90 = 87,205.40/x
  3. Step 3: Cross multiply
    134,444.60x = 201,666.90 × 87,205.40
  4. Step 4: Simplify right side
    134,444.60x = 17,586,442,681.26
  5. Step 5: Solve for x
    x = 17,586,442,681.26/134,444.60
  6. Step 6: Final answer
    x = 130,808.10

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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.