Home / 212,875.90-293,767.83-117,384.19

Finding the Fourth Proportional to 212,875.90, 293,767.83 and 117,384.19

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Solution

The fourth proportional to 212,875.90, 293,767.83 and 117,384.19 is: 161,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,875.90 : 293,767.83 = 117,384.19 : x
  2. Step 2: Convert to fraction form
    212,875.90/293,767.83 = 117,384.19/x
  3. Step 3: Cross multiply
    212,875.90x = 293,767.83 × 117,384.19
  4. Step 4: Simplify right side
    212,875.90x = 34,483,698,038.19
  5. Step 5: Solve for x
    x = 34,483,698,038.19/212,875.90
  6. Step 6: Final answer
    x = 161,989.68

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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.