Home / 142,463.95-197,499.30-134,879.92

Finding the Fourth Proportional to 142,463.95, 197,499.30 and 134,879.92

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Solution

The fourth proportional to 142,463.95, 197,499.30 and 134,879.92 is: 186,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,463.95 : 197,499.30 = 134,879.92 : x
  2. Step 2: Convert to fraction form
    142,463.95/197,499.30 = 134,879.92/x
  3. Step 3: Cross multiply
    142,463.95x = 197,499.30 × 134,879.92
  4. Step 4: Simplify right side
    142,463.95x = 26,638,688,784.51
  5. Step 5: Solve for x
    x = 26,638,688,784.51/142,463.95
  6. Step 6: Final answer
    x = 186,985.47

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.