Home / 210,011.47-289,815.28-114,518.16

Finding the Fourth Proportional to 210,011.47, 289,815.28 and 114,518.16

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Solution

The fourth proportional to 210,011.47, 289,815.28 and 114,518.16 is: 158,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,011.47 : 289,815.28 = 114,518.16 : x
  2. Step 2: Convert to fraction form
    210,011.47/289,815.28 = 114,518.16/x
  3. Step 3: Cross multiply
    210,011.47x = 289,815.28 × 114,518.16
  4. Step 4: Simplify right side
    210,011.47x = 33,189,112,319.19
  5. Step 5: Solve for x
    x = 33,189,112,319.19/210,011.47
  6. Step 6: Final answer
    x = 158,034.76

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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.