Home / 150,823.71-208,085.70-86,246.91

Finding the Fourth Proportional to 150,823.71, 208,085.70 and 86,246.91

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Solution

The fourth proportional to 150,823.71, 208,085.70 and 86,246.91 is: 118,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,823.71 : 208,085.70 = 86,246.91 : x
  2. Step 2: Convert to fraction form
    150,823.71/208,085.70 = 86,246.91/x
  3. Step 3: Cross multiply
    150,823.71x = 208,085.70 × 86,246.91
  4. Step 4: Simplify right side
    150,823.71x = 17,946,748,640.19
  5. Step 5: Solve for x
    x = 17,946,748,640.19/150,823.71
  6. Step 6: Final answer
    x = 118,991.56

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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.