Home / 197,492.79-272,572.65-121,054.41

Finding the Fourth Proportional to 197,492.79, 272,572.65 and 121,054.41

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Solution

The fourth proportional to 197,492.79, 272,572.65 and 121,054.41 is: 167,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,492.79 : 272,572.65 = 121,054.41 : x
  2. Step 2: Convert to fraction form
    197,492.79/272,572.65 = 121,054.41/x
  3. Step 3: Cross multiply
    197,492.79x = 272,572.65 × 121,054.41
  4. Step 4: Simplify right side
    197,492.79x = 32,996,121,327.89
  5. Step 5: Solve for x
    x = 32,996,121,327.89/197,492.79
  6. Step 6: Final answer
    x = 167,075.07

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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.