Home / 115,931.80-174,012.90-56,834.20

Finding the Fourth Proportional to 115,931.80, 174,012.90 and 56,834.20

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Solution

The fourth proportional to 115,931.80, 174,012.90 and 56,834.20 is: 85,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,931.80 : 174,012.90 = 56,834.20 : x
  2. Step 2: Convert to fraction form
    115,931.80/174,012.90 = 56,834.20/x
  3. Step 3: Cross multiply
    115,931.80x = 174,012.90 × 56,834.20
  4. Step 4: Simplify right side
    115,931.80x = 9,889,883,961.18
  5. Step 5: Solve for x
    x = 9,889,883,961.18/115,931.80
  6. Step 6: Final answer
    x = 85,307.78

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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.