Home / 153,440.70-229,875.93-83,378.94

Finding the Fourth Proportional to 153,440.70, 229,875.93 and 83,378.94

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Solution

The fourth proportional to 153,440.70, 229,875.93 and 83,378.94 is: 124,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,440.70 : 229,875.93 = 83,378.94 : x
  2. Step 2: Convert to fraction form
    153,440.70/229,875.93 = 83,378.94/x
  3. Step 3: Cross multiply
    153,440.70x = 229,875.93 × 83,378.94
  4. Step 4: Simplify right side
    153,440.70x = 19,166,811,374.91
  5. Step 5: Solve for x
    x = 19,166,811,374.91/153,440.70
  6. Step 6: Final answer
    x = 124,913.48

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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.