Home / 145,721.98-218,612.44-61,482.35

Finding the Fourth Proportional to 145,721.98, 218,612.44 and 61,482.35

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Solution

The fourth proportional to 145,721.98, 218,612.44 and 61,482.35 is: 92,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,721.98 : 218,612.44 = 61,482.35 : x
  2. Step 2: Convert to fraction form
    145,721.98/218,612.44 = 61,482.35/x
  3. Step 3: Cross multiply
    145,721.98x = 218,612.44 × 61,482.35
  4. Step 4: Simplify right side
    145,721.98x = 13,440,807,173.82
  5. Step 5: Solve for x
    x = 13,440,807,173.82/145,721.98
  6. Step 6: Final answer
    x = 92,235.96

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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.