Home / 145,386.93-200,572.29-88,765.50

Finding the Fourth Proportional to 145,386.93, 200,572.29 and 88,765.50

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Solution

The fourth proportional to 145,386.93, 200,572.29 and 88,765.50 is: 122,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,386.93 : 200,572.29 = 88,765.50 : x
  2. Step 2: Convert to fraction form
    145,386.93/200,572.29 = 88,765.50/x
  3. Step 3: Cross multiply
    145,386.93x = 200,572.29 × 88,765.50
  4. Step 4: Simplify right side
    145,386.93x = 17,803,899,608.00
  5. Step 5: Solve for x
    x = 17,803,899,608.00/145,386.93
  6. Step 6: Final answer
    x = 122,458.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.