Home / 210,946.34-291,005.26-130,344.86

Finding the Fourth Proportional to 210,946.34, 291,005.26 and 130,344.86

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Solution

The fourth proportional to 210,946.34, 291,005.26 and 130,344.86 is: 179,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,946.34 : 291,005.26 = 130,344.86 : x
  2. Step 2: Convert to fraction form
    210,946.34/291,005.26 = 130,344.86/x
  3. Step 3: Cross multiply
    210,946.34x = 291,005.26 × 130,344.86
  4. Step 4: Simplify right side
    210,946.34x = 37,931,038,093.08
  5. Step 5: Solve for x
    x = 37,931,038,093.08/210,946.34
  6. Step 6: Final answer
    x = 179,813.69

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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.