Home / 92,848.19-139,255.81-42,235.43

Finding the Fourth Proportional to 92,848.19, 139,255.81 and 42,235.43

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Solution

The fourth proportional to 92,848.19, 139,255.81 and 42,235.43 is: 63,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,848.19 : 139,255.81 = 42,235.43 : x
  2. Step 2: Convert to fraction form
    92,848.19/139,255.81 = 42,235.43/x
  3. Step 3: Cross multiply
    92,848.19x = 139,255.81 × 42,235.43
  4. Step 4: Simplify right side
    92,848.19x = 5,881,528,213.48
  5. Step 5: Solve for x
    x = 5,881,528,213.48/92,848.19
  6. Step 6: Final answer
    x = 63,345.65

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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.