Home / 145,368.18-218,010.06-56,601.90

Finding the Fourth Proportional to 145,368.18, 218,010.06 and 56,601.90

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Solution

The fourth proportional to 145,368.18, 218,010.06 and 56,601.90 is: 84,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,368.18 : 218,010.06 = 56,601.90 : x
  2. Step 2: Convert to fraction form
    145,368.18/218,010.06 = 56,601.90/x
  3. Step 3: Cross multiply
    145,368.18x = 218,010.06 × 56,601.90
  4. Step 4: Simplify right side
    145,368.18x = 12,339,783,615.11
  5. Step 5: Solve for x
    x = 12,339,783,615.11/145,368.18
  6. Step 6: Final answer
    x = 84,886.41

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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.