Home / 145,885.32-201,271.50-88,542.72

Finding the Fourth Proportional to 145,885.32, 201,271.50 and 88,542.72

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Solution

The fourth proportional to 145,885.32, 201,271.50 and 88,542.72 is: 122,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,885.32 : 201,271.50 = 88,542.72 : x
  2. Step 2: Convert to fraction form
    145,885.32/201,271.50 = 88,542.72/x
  3. Step 3: Cross multiply
    145,885.32x = 201,271.50 × 88,542.72
  4. Step 4: Simplify right side
    145,885.32x = 17,821,126,068.48
  5. Step 5: Solve for x
    x = 17,821,126,068.48/145,885.32
  6. Step 6: Final answer
    x = 122,158.46

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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.