Home / 242,748.34-334,994.18-135,325.18

Finding the Fourth Proportional to 242,748.34, 334,994.18 and 135,325.18

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Solution

The fourth proportional to 242,748.34, 334,994.18 and 135,325.18 is: 186,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,748.34 : 334,994.18 = 135,325.18 : x
  2. Step 2: Convert to fraction form
    242,748.34/334,994.18 = 135,325.18/x
  3. Step 3: Cross multiply
    242,748.34x = 334,994.18 × 135,325.18
  4. Step 4: Simplify right side
    242,748.34x = 45,333,148,210.77
  5. Step 5: Solve for x
    x = 45,333,148,210.77/242,748.34
  6. Step 6: Final answer
    x = 186,749.57

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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.