Home / 130,340.06-179,827.48-72,970.95

Finding the Fourth Proportional to 130,340.06, 179,827.48 and 72,970.95

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Solution

The fourth proportional to 130,340.06, 179,827.48 and 72,970.95 is: 100,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,340.06 : 179,827.48 = 72,970.95 : x
  2. Step 2: Convert to fraction form
    130,340.06/179,827.48 = 72,970.95/x
  3. Step 3: Cross multiply
    130,340.06x = 179,827.48 × 72,970.95
  4. Step 4: Simplify right side
    130,340.06x = 13,122,182,051.71
  5. Step 5: Solve for x
    x = 13,122,182,051.71/130,340.06
  6. Step 6: Final answer
    x = 100,676.51

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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.