Home / 104,113.02-143,676.06-56,366.40

Finding the Fourth Proportional to 104,113.02, 143,676.06 and 56,366.40

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Solution

The fourth proportional to 104,113.02, 143,676.06 and 56,366.40 is: 77,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,113.02 : 143,676.06 = 56,366.40 : x
  2. Step 2: Convert to fraction form
    104,113.02/143,676.06 = 56,366.40/x
  3. Step 3: Cross multiply
    104,113.02x = 143,676.06 × 56,366.40
  4. Step 4: Simplify right side
    104,113.02x = 8,098,502,268.38
  5. Step 5: Solve for x
    x = 8,098,502,268.38/104,113.02
  6. Step 6: Final answer
    x = 77,785.68

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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.