Home / 145,269.24-217,903.86-66,362.28

Finding the Fourth Proportional to 145,269.24, 217,903.86 and 66,362.28

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Solution

The fourth proportional to 145,269.24, 217,903.86 and 66,362.28 is: 99,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,269.24 : 217,903.86 = 66,362.28 : x
  2. Step 2: Convert to fraction form
    145,269.24/217,903.86 = 66,362.28/x
  3. Step 3: Cross multiply
    145,269.24x = 217,903.86 × 66,362.28
  4. Step 4: Simplify right side
    145,269.24x = 14,460,596,970.40
  5. Step 5: Solve for x
    x = 14,460,596,970.40/145,269.24
  6. Step 6: Final answer
    x = 99,543.42

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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.