Home / 134,969.22-186,258.93-74,541.40

Finding the Fourth Proportional to 134,969.22, 186,258.93 and 74,541.40

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Solution

The fourth proportional to 134,969.22, 186,258.93 and 74,541.40 is: 102,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,969.22 : 186,258.93 = 74,541.40 : x
  2. Step 2: Convert to fraction form
    134,969.22/186,258.93 = 74,541.40/x
  3. Step 3: Cross multiply
    134,969.22x = 186,258.93 × 74,541.40
  4. Step 4: Simplify right side
    134,969.22x = 13,884,001,404.70
  5. Step 5: Solve for x
    x = 13,884,001,404.70/134,969.22
  6. Step 6: Final answer
    x = 102,867.91

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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.