Home / 147,962.40-204,139.93-90,541.80

Finding the Fourth Proportional to 147,962.40, 204,139.93 and 90,541.80

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Solution

The fourth proportional to 147,962.40, 204,139.93 and 90,541.80 is: 124,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,962.40 : 204,139.93 = 90,541.80 : x
  2. Step 2: Convert to fraction form
    147,962.40/204,139.93 = 90,541.80/x
  3. Step 3: Cross multiply
    147,962.40x = 204,139.93 × 90,541.80
  4. Step 4: Simplify right side
    147,962.40x = 18,483,197,039.46
  5. Step 5: Solve for x
    x = 18,483,197,039.46/147,962.40
  6. Step 6: Final answer
    x = 124,918.21

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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.