Home / 103,071.06-153,216.81-100,044.18

Finding the Fourth Proportional to 103,071.06, 153,216.81 and 100,044.18

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Solution

The fourth proportional to 103,071.06, 153,216.81 and 100,044.18 is: 148,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,071.06 : 153,216.81 = 100,044.18 : x
  2. Step 2: Convert to fraction form
    103,071.06/153,216.81 = 100,044.18/x
  3. Step 3: Cross multiply
    103,071.06x = 153,216.81 × 100,044.18
  4. Step 4: Simplify right side
    103,071.06x = 15,328,450,118.67
  5. Step 5: Solve for x
    x = 15,328,450,118.67/103,071.06
  6. Step 6: Final answer
    x = 148,717.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.