Home / 212,030.45-292,597.05-115,232.00

Finding the Fourth Proportional to 212,030.45, 292,597.05 and 115,232.00

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Solution

The fourth proportional to 212,030.45, 292,597.05 and 115,232.00 is: 159,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,030.45 : 292,597.05 = 115,232.00 : x
  2. Step 2: Convert to fraction form
    212,030.45/292,597.05 = 115,232.00/x
  3. Step 3: Cross multiply
    212,030.45x = 292,597.05 × 115,232.00
  4. Step 4: Simplify right side
    212,030.45x = 33,716,541,802.61
  5. Step 5: Solve for x
    x = 33,716,541,802.61/212,030.45
  6. Step 6: Final answer
    x = 159,017.46

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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.