Home / 218,417.32-301,416.42-122,925.16

Finding the Fourth Proportional to 218,417.32, 301,416.42 and 122,925.16

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Solution

The fourth proportional to 218,417.32, 301,416.42 and 122,925.16 is: 169,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,417.32 : 301,416.42 = 122,925.16 : x
  2. Step 2: Convert to fraction form
    218,417.32/301,416.42 = 122,925.16/x
  3. Step 3: Cross multiply
    218,417.32x = 301,416.42 × 122,925.16
  4. Step 4: Simplify right side
    218,417.32x = 37,051,661,655.13
  5. Step 5: Solve for x
    x = 37,051,661,655.13/218,417.32
  6. Step 6: Final answer
    x = 169,637.01

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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.