Home / 162,394.37-242,339.60-142,715.32

Finding the Fourth Proportional to 162,394.37, 242,339.60 and 142,715.32

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Solution

The fourth proportional to 162,394.37, 242,339.60 and 142,715.32 is: 212,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,394.37 : 242,339.60 = 142,715.32 : x
  2. Step 2: Convert to fraction form
    162,394.37/242,339.60 = 142,715.32/x
  3. Step 3: Cross multiply
    162,394.37x = 242,339.60 × 142,715.32
  4. Step 4: Simplify right side
    162,394.37x = 34,585,572,510.84
  5. Step 5: Solve for x
    x = 34,585,572,510.84/162,394.37
  6. Step 6: Final answer
    x = 212,972.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.