Home / 134,345.70-185,423.58-77,023.53

Finding the Fourth Proportional to 134,345.70, 185,423.58 and 77,023.53

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Solution

The fourth proportional to 134,345.70, 185,423.58 and 77,023.53 is: 106,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,345.70 : 185,423.58 = 77,023.53 : x
  2. Step 2: Convert to fraction form
    134,345.70/185,423.58 = 77,023.53/x
  3. Step 3: Cross multiply
    134,345.70x = 185,423.58 × 77,023.53
  4. Step 4: Simplify right side
    134,345.70x = 14,281,978,676.84
  5. Step 5: Solve for x
    x = 14,281,978,676.84/134,345.70
  6. Step 6: Final answer
    x = 106,307.67

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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.