Home / 109,206.32-150,681.42-63,875.43

Finding the Fourth Proportional to 109,206.32, 150,681.42 and 63,875.43

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Solution

The fourth proportional to 109,206.32, 150,681.42 and 63,875.43 is: 88,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,206.32 : 150,681.42 = 63,875.43 : x
  2. Step 2: Convert to fraction form
    109,206.32/150,681.42 = 63,875.43/x
  3. Step 3: Cross multiply
    109,206.32x = 150,681.42 × 63,875.43
  4. Step 4: Simplify right side
    109,206.32x = 9,624,840,495.51
  5. Step 5: Solve for x
    x = 9,624,840,495.51/109,206.32
  6. Step 6: Final answer
    x = 88,134.47

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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.