Home / 100,547.29-150,599.49-67,110.81

Finding the Fourth Proportional to 100,547.29, 150,599.49 and 67,110.81

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Solution

The fourth proportional to 100,547.29, 150,599.49 and 67,110.81 is: 100,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,547.29 : 150,599.49 = 67,110.81 : x
  2. Step 2: Convert to fraction form
    100,547.29/150,599.49 = 67,110.81/x
  3. Step 3: Cross multiply
    100,547.29x = 150,599.49 × 67,110.81
  4. Step 4: Simplify right side
    100,547.29x = 10,106,853,759.49
  5. Step 5: Solve for x
    x = 10,106,853,759.49/100,547.29
  6. Step 6: Final answer
    x = 100,518.41

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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.