Home / 122,320.74-168,802.57-71,323.63

Finding the Fourth Proportional to 122,320.74, 168,802.57 and 71,323.63

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Solution

The fourth proportional to 122,320.74, 168,802.57 and 71,323.63 is: 98,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,320.74 : 168,802.57 = 71,323.63 : x
  2. Step 2: Convert to fraction form
    122,320.74/168,802.57 = 71,323.63/x
  3. Step 3: Cross multiply
    122,320.74x = 168,802.57 × 71,323.63
  4. Step 4: Simplify right side
    122,320.74x = 12,039,612,045.73
  5. Step 5: Solve for x
    x = 12,039,612,045.73/122,320.74
  6. Step 6: Final answer
    x = 98,426.58

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1.5x scale

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.