Home / 210,238.16-290,084.24-133,729.40

Finding the Fourth Proportional to 210,238.16, 290,084.24 and 133,729.40

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Solution

The fourth proportional to 210,238.16, 290,084.24 and 133,729.40 is: 184,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,238.16 : 290,084.24 = 133,729.40 : x
  2. Step 2: Convert to fraction form
    210,238.16/290,084.24 = 133,729.40/x
  3. Step 3: Cross multiply
    210,238.16x = 290,084.24 × 133,729.40
  4. Step 4: Simplify right side
    210,238.16x = 38,792,791,364.66
  5. Step 5: Solve for x
    x = 38,792,791,364.66/210,238.16
  6. Step 6: Final answer
    x = 184,518.32

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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.