Home / 137,036.72-205,590.45-42,264.77

Finding the Fourth Proportional to 137,036.72, 205,590.45 and 42,264.77

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Solution

The fourth proportional to 137,036.72, 205,590.45 and 42,264.77 is: 63,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,036.72 : 205,590.45 = 42,264.77 : x
  2. Step 2: Convert to fraction form
    137,036.72/205,590.45 = 42,264.77/x
  3. Step 3: Cross multiply
    137,036.72x = 205,590.45 × 42,264.77
  4. Step 4: Simplify right side
    137,036.72x = 8,689,232,055.49
  5. Step 5: Solve for x
    x = 8,689,232,055.49/137,036.72
  6. Step 6: Final answer
    x = 63,408.06

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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.