Home / 105,138.27-145,094.09-59,822.82

Finding the Fourth Proportional to 105,138.27, 145,094.09 and 59,822.82

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Solution

The fourth proportional to 105,138.27, 145,094.09 and 59,822.82 is: 82,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,138.27 : 145,094.09 = 59,822.82 : x
  2. Step 2: Convert to fraction form
    105,138.27/145,094.09 = 59,822.82/x
  3. Step 3: Cross multiply
    105,138.27x = 145,094.09 × 59,822.82
  4. Step 4: Simplify right side
    105,138.27x = 8,679,937,330.02
  5. Step 5: Solve for x
    x = 8,679,937,330.02/105,138.27
  6. Step 6: Final answer
    x = 82,557.35

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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.