Home / 131,603.16-197,358.12-42,840.12

Finding the Fourth Proportional to 131,603.16, 197,358.12 and 42,840.12

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Solution

The fourth proportional to 131,603.16, 197,358.12 and 42,840.12 is: 64,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,603.16 : 197,358.12 = 42,840.12 : x
  2. Step 2: Convert to fraction form
    131,603.16/197,358.12 = 42,840.12/x
  3. Step 3: Cross multiply
    131,603.16x = 197,358.12 × 42,840.12
  4. Step 4: Simplify right side
    131,603.16x = 8,454,845,543.77
  5. Step 5: Solve for x
    x = 8,454,845,543.77/131,603.16
  6. Step 6: Final answer
    x = 64,245.00

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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.