Home / 142,875.52-197,322.24-111,420.16

Finding the Fourth Proportional to 142,875.52, 197,322.24 and 111,420.16

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Solution

The fourth proportional to 142,875.52, 197,322.24 and 111,420.16 is: 153,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,875.52 : 197,322.24 = 111,420.16 : x
  2. Step 2: Convert to fraction form
    142,875.52/197,322.24 = 111,420.16/x
  3. Step 3: Cross multiply
    142,875.52x = 197,322.24 × 111,420.16
  4. Step 4: Simplify right side
    142,875.52x = 21,985,675,552.36
  5. Step 5: Solve for x
    x = 21,985,675,552.36/142,875.52
  6. Step 6: Final answer
    x = 153,879.93

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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.