Home / 143,325.95-197,785.45-82,070.15

Finding the Fourth Proportional to 143,325.95, 197,785.45 and 82,070.15

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Solution

The fourth proportional to 143,325.95, 197,785.45 and 82,070.15 is: 113,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,325.95 : 197,785.45 = 82,070.15 : x
  2. Step 2: Convert to fraction form
    143,325.95/197,785.45 = 82,070.15/x
  3. Step 3: Cross multiply
    143,325.95x = 197,785.45 × 82,070.15
  4. Step 4: Simplify right side
    143,325.95x = 16,232,281,549.32
  5. Step 5: Solve for x
    x = 16,232,281,549.32/143,325.95
  6. Step 6: Final answer
    x = 113,254.31

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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.