Home / 108,984.40-150,402.90-61,237.60

Finding the Fourth Proportional to 108,984.40, 150,402.90 and 61,237.60

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Solution

The fourth proportional to 108,984.40, 150,402.90 and 61,237.60 is: 84,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984.40 : 150,402.90 = 61,237.60 : x
  2. Step 2: Convert to fraction form
    108,984.40/150,402.90 = 61,237.60/x
  3. Step 3: Cross multiply
    108,984.40x = 150,402.90 × 61,237.60
  4. Step 4: Simplify right side
    108,984.40x = 9,210,312,629.04
  5. Step 5: Solve for x
    x = 9,210,312,629.04/108,984.40
  6. Step 6: Final answer
    x = 84,510.38

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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.