Home / 153,935.14-212,465.91-90,293.44

Finding the Fourth Proportional to 153,935.14, 212,465.91 and 90,293.44

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Solution

The fourth proportional to 153,935.14, 212,465.91 and 90,293.44 is: 124,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,935.14 : 212,465.91 = 90,293.44 : x
  2. Step 2: Convert to fraction form
    153,935.14/212,465.91 = 90,293.44/x
  3. Step 3: Cross multiply
    153,935.14x = 212,465.91 × 90,293.44
  4. Step 4: Simplify right side
    153,935.14x = 19,184,277,896.63
  5. Step 5: Solve for x
    x = 19,184,277,896.63/153,935.14
  6. Step 6: Final answer
    x = 124,625.72

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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.