Home / 212,442.48-293,168.88-121,798.56

Finding the Fourth Proportional to 212,442.48, 293,168.88 and 121,798.56

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Solution

The fourth proportional to 212,442.48, 293,168.88 and 121,798.56 is: 168,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,442.48 : 293,168.88 = 121,798.56 : x
  2. Step 2: Convert to fraction form
    212,442.48/293,168.88 = 121,798.56/x
  3. Step 3: Cross multiply
    212,442.48x = 293,168.88 × 121,798.56
  4. Step 4: Simplify right side
    212,442.48x = 35,707,547,420.81
  5. Step 5: Solve for x
    x = 35,707,547,420.81/212,442.48
  6. Step 6: Final answer
    x = 168,081.01

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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.