Home / 211,881.48-292,355.06-121,265.16

Finding the Fourth Proportional to 211,881.48, 292,355.06 and 121,265.16

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Solution

The fourth proportional to 211,881.48, 292,355.06 and 121,265.16 is: 167,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,881.48 : 292,355.06 = 121,265.16 : x
  2. Step 2: Convert to fraction form
    211,881.48/292,355.06 = 121,265.16/x
  3. Step 3: Cross multiply
    211,881.48x = 292,355.06 × 121,265.16
  4. Step 4: Simplify right side
    211,881.48x = 35,452,483,127.71
  5. Step 5: Solve for x
    x = 35,452,483,127.71/211,881.48
  6. Step 6: Final answer
    x = 167,322.24

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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.