Home / 113,835.30-170,752.95-112,085.70

Finding the Fourth Proportional to 113,835.30, 170,752.95 and 112,085.70

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Solution

The fourth proportional to 113,835.30, 170,752.95 and 112,085.70 is: 168,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.30 : 170,752.95 = 112,085.70 : x
  2. Step 2: Convert to fraction form
    113,835.30/170,752.95 = 112,085.70/x
  3. Step 3: Cross multiply
    113,835.30x = 170,752.95 × 112,085.70
  4. Step 4: Simplify right side
    113,835.30x = 19,138,963,927.82
  5. Step 5: Solve for x
    x = 19,138,963,927.82/113,835.30
  6. Step 6: Final answer
    x = 168,128.55

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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.