Home / 102,946.77-154,219.02-70,920.18

Finding the Fourth Proportional to 102,946.77, 154,219.02 and 70,920.18

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Solution

The fourth proportional to 102,946.77, 154,219.02 and 70,920.18 is: 106,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,946.77 : 154,219.02 = 70,920.18 : x
  2. Step 2: Convert to fraction form
    102,946.77/154,219.02 = 70,920.18/x
  3. Step 3: Cross multiply
    102,946.77x = 154,219.02 × 70,920.18
  4. Step 4: Simplify right side
    102,946.77x = 10,937,240,657.82
  5. Step 5: Solve for x
    x = 10,937,240,657.82/102,946.77
  6. Step 6: Final answer
    x = 106,241.71

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1.5x scale

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.