Home / 92,897.24-128,176.22-54,658.45

Finding the Fourth Proportional to 92,897.24, 128,176.22 and 54,658.45

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Solution

The fourth proportional to 92,897.24, 128,176.22 and 54,658.45 is: 75,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,897.24 : 128,176.22 = 54,658.45 : x
  2. Step 2: Convert to fraction form
    92,897.24/128,176.22 = 54,658.45/x
  3. Step 3: Cross multiply
    92,897.24x = 128,176.22 × 54,658.45
  4. Step 4: Simplify right side
    92,897.24x = 7,005,913,808.93
  5. Step 5: Solve for x
    x = 7,005,913,808.93/92,897.24
  6. Step 6: Final answer
    x = 75,415.74

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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.