Home / 210,962.95-291,128.38-115,468.81

Finding the Fourth Proportional to 210,962.95, 291,128.38 and 115,468.81

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Solution

The fourth proportional to 210,962.95, 291,128.38 and 115,468.81 is: 159,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,962.95 : 291,128.38 = 115,468.81 : x
  2. Step 2: Convert to fraction form
    210,962.95/291,128.38 = 115,468.81/x
  3. Step 3: Cross multiply
    210,962.95x = 291,128.38 × 115,468.81
  4. Step 4: Simplify right side
    210,962.95x = 33,616,247,595.83
  5. Step 5: Solve for x
    x = 33,616,247,595.83/210,962.95
  6. Step 6: Final answer
    x = 159,346.69

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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.