Home / 145,455.81-200,500.29-133,252.35

Finding the Fourth Proportional to 145,455.81, 200,500.29 and 133,252.35

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Solution

The fourth proportional to 145,455.81, 200,500.29 and 133,252.35 is: 183,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,455.81 : 200,500.29 = 133,252.35 : x
  2. Step 2: Convert to fraction form
    145,455.81/200,500.29 = 133,252.35/x
  3. Step 3: Cross multiply
    145,455.81x = 200,500.29 × 133,252.35
  4. Step 4: Simplify right side
    145,455.81x = 26,717,134,818.18
  5. Step 5: Solve for x
    x = 26,717,134,818.18/145,455.81
  6. Step 6: Final answer
    x = 183,678.71

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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.