Home / 152,258.28-210,111.05-84,275.39

Finding the Fourth Proportional to 152,258.28, 210,111.05 and 84,275.39

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Solution

The fourth proportional to 152,258.28, 210,111.05 and 84,275.39 is: 116,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,258.28 : 210,111.05 = 84,275.39 : x
  2. Step 2: Convert to fraction form
    152,258.28/210,111.05 = 84,275.39/x
  3. Step 3: Cross multiply
    152,258.28x = 210,111.05 × 84,275.39
  4. Step 4: Simplify right side
    152,258.28x = 17,707,189,210.13
  5. Step 5: Solve for x
    x = 17,707,189,210.13/152,258.28
  6. Step 6: Final answer
    x = 116,297.05

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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.