Home / 99,870.70-149,840.97-62,386.81

Finding the Fourth Proportional to 99,870.70, 149,840.97 and 62,386.81

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Solution

The fourth proportional to 99,870.70, 149,840.97 and 62,386.81 is: 93,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870.70 : 149,840.97 = 62,386.81 : x
  2. Step 2: Convert to fraction form
    99,870.70/149,840.97 = 62,386.81/x
  3. Step 3: Cross multiply
    99,870.70x = 149,840.97 × 62,386.81
  4. Step 4: Simplify right side
    99,870.70x = 9,348,100,125.61
  5. Step 5: Solve for x
    x = 9,348,100,125.61/99,870.70
  6. Step 6: Final answer
    x = 93,602.03

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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.