Home / 218,331.29-301,295.04-121,533.60

Finding the Fourth Proportional to 218,331.29, 301,295.04 and 121,533.60

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Solution

The fourth proportional to 218,331.29, 301,295.04 and 121,533.60 is: 167,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,331.29 : 301,295.04 = 121,533.60 : x
  2. Step 2: Convert to fraction form
    218,331.29/301,295.04 = 121,533.60/x
  3. Step 3: Cross multiply
    218,331.29x = 301,295.04 × 121,533.60
  4. Step 4: Simplify right side
    218,331.29x = 36,617,470,873.34
  5. Step 5: Solve for x
    x = 36,617,470,873.34/218,331.29
  6. Step 6: Final answer
    x = 167,715.18

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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.