Home / 90,018.61-134,860.24-56,295.07

Finding the Fourth Proportional to 90,018.61, 134,860.24 and 56,295.07

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Solution

The fourth proportional to 90,018.61, 134,860.24 and 56,295.07 is: 84,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.61 : 134,860.24 = 56,295.07 : x
  2. Step 2: Convert to fraction form
    90,018.61/134,860.24 = 56,295.07/x
  3. Step 3: Cross multiply
    90,018.61x = 134,860.24 × 56,295.07
  4. Step 4: Simplify right side
    90,018.61x = 7,591,966,651.02
  5. Step 5: Solve for x
    x = 7,591,966,651.02/90,018.61
  6. Step 6: Final answer
    x = 84,337.75

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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.