Home / 211,864.16-292,562.30-158,055.72

Finding the Fourth Proportional to 211,864.16, 292,562.30 and 158,055.72

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Solution

The fourth proportional to 211,864.16, 292,562.30 and 158,055.72 is: 218,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,864.16 : 292,562.30 = 158,055.72 : x
  2. Step 2: Convert to fraction form
    211,864.16/292,562.30 = 158,055.72/x
  3. Step 3: Cross multiply
    211,864.16x = 292,562.30 × 158,055.72
  4. Step 4: Simplify right side
    211,864.16x = 46,241,144,971.36
  5. Step 5: Solve for x
    x = 46,241,144,971.36/211,864.16
  6. Step 6: Final answer
    x = 218,258.46

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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.